- Srīpur (crater)
MarsGeo-Crater
caption=The crater Srīpur and its surroundings, in a screenshot inNASA World Wind .
name=Srīpur
diameter=23 km
latitude=31.1
N_or_S=S
longitude=100.8
E_or_W=W
eponym=Srīpur, a town inBangladesh Srīpur is a Martian
impact crater , approximately 23 kilometers in diameter. It is located at -31.1°S, 100.8°W, southeast of the crater Dinorwic and northeast of the crater Tugaske. It is named for a town inBangladesh , and its name was adopted by theInternational Astronomical Union in1991 . [cite web
title=USGS Astro: Planetary Nomenclature: Feature Data Search Results | work=USGS Gazetteer of Planetary Nomenclature Feature Information
url=http://planetarynames.wr.usgs.gov/jsp/FeatureNameDetail.jsp?feature=65846
accessdate=October 23
accessyear=2007] "NASA World Wind " 1.4. NASA Ames Research Center, 2007.] According to a surface age map of Mars based onUS Geological Survey data, the area around Srīpur is from theNoachian epoch , which places the area's age at 3.8 to 3.5 billion years ago. [cite web
title=INTEGRATING GLOBAL-SCALE MISSION DATASETS – UNDERSTANDING THE MARTIAN CRUST. | work=lpi.usra.edu
url=http://www.lpi.usra.edu/meetings/lpsc2005/pdf/1853.pdf
accessdate=October 23
accessyear=2007] The crater floor is relatively flat, except for a small craterlet toward east of the center, and is approximately 6,300 meters above zero altitude in elevation. Its rim averages about 6,800 meters above zero altitude, making it 500 meters deep. The area south of the crater is about the same elevation as the crater floor.References
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